FAQ

Can CRESIN provide SPD for industrial distribution panels?

Yes. CRESIN can provide AC SPD products for main distribution panels, sub-panels, control cabinets, industrial machinery, and building electrical systems.

Is grounding necessary for distribution SPD?

Yes. A reliable grounding system is necessary for SPD to safely discharge surge energy and provide effective protection.

How do I choose SPD for a distribution cabinet?

You need to confirm the system voltage, grounding system, number of phases, installation position, required discharge current, and protection level.

What is coordinated surge protection?

Coordinated surge protection means using different SPD levels at different installation points, such as Type 1 at the main incoming side, Type 2 at sub-distribution boards, and then step-by-step coordination enables the gradual release of electrical energy.

Where should SPD be installed in a distribution system?

SPD is commonly installed at the main distribution board, sub-distribution board, control cabinet, machinery panel, and near sensitive electrical equipment.

Why do power distribution systems need surge protection?

Power distribution systems can be affected by lightning surges, switching operations, grid disturbances, and transient overvoltage. SPD helps protect downstream electrical equipment and reduce failure risk.

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Address: No. 978 Tianchen Road, High-tech Zone, Jinan, Shandong,China

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The product range includes production technologies for smart capacitors, digital display meters, surge protectors, dedicated backup protection devices for surge protectors, self-resetting over/under-voltage protectors, control and protection switches, and automatic transfer switches for dual power supplies.

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